Table 1.

Demographic and clinical features of included patients

Patient	Age, y	Age at onset, y	Disease duration, y	Sex	Diagnosis	SARA	ICARS
1	42	35	7	M	SCA1	6	15
2	50	40	10	F	SCA1	3	7
3	28	7	21	F	AOA2	21	52
4	44	36	8	M	SCA1	11.5	29
5	49	43	6	F	SAOA	9	23
6	34	32	2	F	SAOA	5	9
7	42	41	1	M	SAOA	4	13
8	51	47	4	F	SAOA	8	18
9	44	39	5	F	SCA2	12	28
10	55	49	6	F	SAOA	3	11
11	23	20	3	F	SCA2	14	38
12	70	68	2	M	MSA-C	12	23
13	59	57	2	F	SAOA	13.5	26
14	68	45	23	F	SCA38	16	38
15	56	54	2	F	SCA2	4	13
16	73	61	12	F	MSA-C	10	21
17	59	50	9	M	SCA2	7	16
18	59	57	2	M	SAOA	12	27
19	48	45	3	M	SAOA	13	38
20	42	35	7	M	SCA1	8	19
21	58	46	12	M	SCA2	12	28
22	80	71	9	M	SAOA	5	12
23	68	64	4	F	SAOA	4.5	8
24	65	61	4	F	SAOA	3	6
25	39	34	5	M	SCA1	9	17
26	59	50	9	F	SAOA	10	21

SCA spinocerebellar ataxia, AOA2 ataxia with oculomotor apraxia type 2, MSA-C cerebellar variant of multiple system atrophy, SAOA sporadic adult-onset ataxia, SARA Scale for the Assessment and Rating of Ataxia, ICARS International Cooperative Ataxia Rating Scale, M male, F female, y years